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    • Current-mode quadrature sinusoidal oscillator using uperational transconductance amplifier (OTAs) 

      สมบูรณ์, สมศักดิ์; เสงี่ยมวิบูล, วรวัฒน์; หงษ์ประสิทธิ์, เศวษ (2015-05-20)
      This paper presents a quadrature sinusoidal oscillator, providing sinusoidal signal, which differs in phase. The features of the proposed circuit can be electronically controlled. The proposed circuit consists of 4 ...